Snake FinderField Guide · Worldwide

Know the dangerous ones

Venomous snakes in Navarro County, Texas

4 venomous snake species have verified records in Navarro County. Learn to recognize each one, and know what to do if you are bitten.

Field entries

  1. Northern Cottonmouth
    Agkistrodon piscivorus
    Northern Cottonmouth

    Agkistrodon piscivorus

    Venomous

    How to identify

    Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.

    Occasionally seenFull profile →
  2. Eastern Copperhead
    Agkistrodon contortrix
    Eastern Copperhead

    Agkistrodon contortrix

    Venomous

    How to identify

    Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.

    Rarely seenFull profile →
  3. Western Black-tailed Rattlesnake
    Crotalus molossus
    Venomous

    How to identify

    Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

    Rarely seenFull profile →
  4. Timber Rattlesnake
    Crotalus horridus
    Timber Rattlesnake

    Crotalus horridus

    Venomous

    How to identify

    Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

    Rarely seenFull profile →

Looking for all snakes here, not just the venomous ones? See all snakes in Navarro County.